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Cushion|Natural|GIA

0.58ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 3505639491

Certificate GIA 3505639491

Diamond specifications and retailer prices

From £487 GBP
$653 USD
As of November 2, 2026
Save £703 GBP (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,190 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.58ct natural cushion diamond

This 0.58ct natural cushion sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3505639491. Listed at 11 retailers as of November 2, 2026, with prices from £487 to £1,190, a £703 spread on the same certified stone. MOH London lists it at £1,190. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.58
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3505639491
Dimensions5.35 × 4.26 × 2.94 mm
L/W Ratio1.26
Top View
5.35 mm4.26 mm0.58 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3505639491
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,190 GBP|Low: £405 GBP|High: £1,204 GBP|Avg: £720 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7£487 GBP
Retailer 9£528 GBP
Retailer 2£613 GBP
Retailer 4£659 GBP
Retailer 6£661 GBP
Retailer 3£750 GBP
Retailer 8£793 GBP
Retailer 5£814 GBP
MOH London£1,190 GBP

43 data points across 9 retailers

11 retailers£487 GBP to £1,190 GBP

B+
Cheapest Retailer
-
£487 GBP
$653 USD
Final sale: no returns
B+
Retailer 2
-
£528 GBP
$708 USD
View
B+
Retailer 3
-
£613 GBP
View
B+
Retailer 4
-
£626 GBP
$840 USD
View
B+
Retailer 5
-
£659 GBP
$885 USD
View
B+
Retailer 6
-
£661 GBP
View
B+
Retailer 7
-
£750 GBP
€958 EUR
View
B
Retailer 8
-
£777 GBP
$1,043 USD
View
Retailer 9
-
£793 GBP
A$1,637 AUD
View
Price last confirmed 30 days ago
B
Retailer 10
-
£814 GBP
ZAR 17,645 ZAR
View
Most Expensive
B
MOH London
0DC524D6E · Nov 2
£1,190 GBP
View
10 more retailers have this diamond
Prices start from £487 GBPSave up to £703 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.58ct Cushion
£487 GBP